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Insights into Imaging

Table 5 Quantitative image analysis results for functional imaging at 3 T and 5 T

From: Renal imaging at 5 T versus 3 T: a comparison study

Parameters

Sequences

DWI (b = 800 s/mm2)

T2* map

3 T

5 T

3 T

5 T

SNR (cortex)

22.04 ± 5.42

36.13 ± 8.92

24.93 ± 5.11

30.21 ± 5.18

p-value

0.001

0.001

SNR (medulla)

14.68 ± 4.45

24.28 ± 6.78

14.87 ± 4.20

17.08 ± 4.03

p-value

0.001

0.036

CNR (cortex/medulla)

6.60 ± 2.30

11.86 ± 5.48

10.06 ± 3.39

13.12 ± 3.57

p-value

0.001

0.017

  1. SNRs and CNRs are given as mean ± standard deviation
  2. DWI diffusion-weighted imaging; SNR signal-to-noise ratio; CNR contrast-to-noise ratio
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